Sprain of anterior cruciate ligament of left knee, init

This code signifies a sprain, or stretching/tearing of ligaments, specifically affecting the anterior cruciate ligament (ACL) in the patient's left knee. It indicates the initial phase of treatment for this injury.

Apply this code for new diagnoses of ACL sprains in the left knee, such as those resulting from sports injuries or falls. It is appropriate when the patient is receiving active treatment for the injury, including surgical repair, casting, or physical therapy.

• Ensure documentation specifies "left" knee and "anterior cruciate ligament."
• The "A" seventh character indicates an initial encounter for active treatment.
• Do not use this code for follow-up care or sequelae; different seventh characters apply.